Hitachi RAS-(2-6)HVNP1(E), Service Manual

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8 Troubleshooting
285
SMGB0087 rev.0 - 12/2013
8
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Self-checking procedure of the remote control switch
Cases where the OK switch is used:
1 If the remote control switch displays a malfunction.
2 For the regular maintenance check.
1 Turn ON the power source
No. LCD indication
Indicating
period
(sec.)
1 1
2 1
3 1
4 1
5 3
Only for the
cancellation of
EEPROM, press the
following three
switches simultane-
ously during the
changes of the LCD.
11
To
2
Simultaneously press the following
three switches. (During the operation, you
can press the switches.)
3 The LCD changes as shown in the right
figure.
4
After the LCD changes as shown in the right
figure, the RUN indicator flickers twice.
5
The LCD changes as shown below.
Press all the switches (13 switches) one by
one.
Every time you press the switch, the number
of the indication of the part (A) in the figure
below increases one.
N O T E
• Unless all the switches are pressed, the checking does not pro-
ceed to the next item.
• You can press the switches in any order.
• Pressing two or more switches simultaneously is invalid and not
counted.
6
The LCD changes as shown below.
The remote control switch automatically
starts to check the transmission circuit
N O T E
In case that the transmission circuit is abnormal, the LCD remains
as shown in the left figure and the checking does not proceed to the
next item.